What Causes Increased Thirst In Dogs?


Polydipsia is the medical term for prolonged urination and thirst in dogs. Its root may be either primary or secondary. Polydipsia in dogs is a fairly common disease with several underlying causes. Based on the cause, a vet can conduct testing to find out signs, which can be a lengthy process.


If your pet is diabetic, he may drink more water than normal in an effort to replenish nutrients depleted by the disease and dilute the excess sugar in their blood.  Diabetes mellitus is more likely to grow in unhealthy and aged dogs, so feeding them a healthy, balanced diet and ensuring they get plenty of exercise over their life will help protect them.

The most effective approach is to measure the glucose level in your pet’s blood, which is performed by your veterinarian in the clinic or at home using a portable pet glucometer and blood test strips.

Kidney Disease

The kidneys’ function is to filter blood and balance electrolytes. They also control blood pressure and the development of red blood cells. Kidneys may be affected for a variety of causes, including chronic illness, infection, toxins, or cancer. When they are impaired, they are unable to perform their function properly, and excessive urine is produced. Excessive urination is followed by excessive consumption.

Cushing’s Disease

Cushing’s disease is caused by an excess of cortisol generated by the body’s adrenal glands. Excessive drinking and urinating is a well-known symptom of Cushing’s disease. You might also see dogs eating more than normal, as well as a bloated belly. Hair loss, skin discoloration, and infections are all signs of skin problems. Medication is used to treat the condition, and surgery may be required if a tumour is present.

Urinary Tract Infections 

Urinary tract infections (UTI) are popular in older pets because they lose bladder control as they age. Bacteria cause UTIs, and certain pets are more resistant to them than others. UTIs, in particular, are a group of infections that may involve the kidneys, urethra, and bladder. Bladder infection, on the other hand, is a form of UTI that includes stones. Excessive urination, caused by increased water intake, is the most common symptom of a UTI. Other signs include having trouble urinating or urinating in small quantities after drinking more water. Check the urine for blood, cloudiness, or a foul odour, which are all symptoms of infection. While many older pets have bladder problems, this is also a symptom of urinary tract disease. Urinating in places other than the litter box is one symptom of senior pets.

Stomach Problems

Any dog suffering from heavy diarrhea will need to replace the fluids lost and will need to drink more than normal. So, don’t be disappointed if a dog with a stomach ache is thirsty. This is not a case of a dog consuming an excessive amount of water.

If your dog is vomiting in addition to having diarrhea, he or she will easily become dehydrated. This is another scenario where you can take them to the veterinarian as soon as possible. 


Canines, like humans, become dehydrated after spending all day in the sun or exercising. This might prompt them to drink more water. Dry gums, lethargy, vomiting, and lack of appetite are also symptoms of dehydration. If your dog happens to be seriously dehydrated, take them to the veterinarian right away.

If your dog is dehydrated but not vomiting, provide them 1-2 tablespoons of water every few moments for the next several hours. Furthermore, if your dog is dehydrated, do not give them free access to fluids. It can cause your dog to drink excessively, hence, resulting in vomiting.

As you can see, there are a variety of explanations why your dog is drinking more than usual. A urine test will also indicate that they are drinking within the usual range, so if and when more severe conditions do occur, a prompt diagnosis will make a big difference in recovery. Please contact your nearest veterinarian if you are worried about your pet’s water consumption.

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